High incidence of adults with rubella antibody in northern Japan.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000906:Antibodies / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D007564:Japan; D008875:Middle Aged; D012409:Rubella / Q000276:immunology*; D012412:Rubella virus / Q000276:immunology
D000906:Antibodies